所得结构图像的分辨本领将优于电子显微图，而有可能接近于衍射分辨极限。
The resolution of the structure image so obtained may be higher than that of the original electron micrographs and may approach the diffraction limit.
这种光栅具有较高的光谱分辨本领和衍射效率，而且光路简单，调节方便。
It has several advantages such as high diffraction efficiency, simple optical setup and convenient operation.
文章运用衍射理论，给出了实际光栅系统分辨本领的修正公式。
This paper applies diffraction theory, has given the corrected formula of the resolving power of actual grating system.
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